Post-Combustion

Evaluation of Concentrated Piperazine for CO2 Capture from Coal-Fired Flue Gas
Project No.: DE-FE0005654

URS Group, Inc. will investigate the use of concentrated piperazine (PZ) as a solvent for absorbing CO2 from coal-fired power plant flue gas, coupled with two-stage flash regeneration. This process offers several advantages over conventional solvents, including: faster CO2 absorption rate, higher CO2 capacity, lower volatility, negligible thermal degradation, negligible oxidative degradation when used with an inhibitor, and production of CO2 at elevated pressure (resulting in lower compression costs). The project will be conducted initially at a 0.1 MW scale and then scaled to 0.5 MW for testing at DOE's National Carbon Capture Center.

Schematic of Piperazine Absorption and Two-Stage Flash Solvent Regeneration
Schematic of Piperazine Absorption and Two-Stage Flash Solvent Regeneration (click to enlarge)

Related Papers and Publications:

Contacts:

  • For further information on this project, contact the NETL Project Manager, Bruce Lani.
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